package com.usian.util.topic;

import com.rabbitmq.client.*;
import com.usian.util.ConnectionUtil;

import java.io.IOException;

public class Recv1 {
    public static void main(String[] args) throws Exception {
// 获取到连接
        Connection connection = ConnectionUtil.getConnection();
        // 获取通道
        Channel channel = connection.createChannel();
        // 声明队列
        channel.queueDeclare("rabbitmq-topic_queue1", false, false, false, null);

        // 绑定队列到交换机，同时指定需要订阅的routing key。需要 update、delete
        channel.queueBind("rabbitmq-topic_queue1","rabbitmq-topic-exchange", "item.update");
        channel.queueBind("rabbitmq-topic_queue1","rabbitmq-topic-exchange", "item.delete");

        // 定义队列的消费者
        DefaultConsumer consumer = new DefaultConsumer(channel) {
            // 获取消息，并且处理，这个方法类似事件监听，如果有消息的时候，会被自动调用
            @Override
            public void handleDelivery(String consumerTag, Envelope envelope,
                                       AMQP.BasicProperties properties,
                                       byte[] body) throws IOException {
                // body 即消息体
                String msg = new String(body);
                System.out.println(" [消费者1] received : " + msg + "!");
            }
        };
        // 监听队列，自动ACK
        channel.basicConsume("rabbitmq-topic_queue1", true, consumer);
    }
}
